Combination packagings are authorized.

The general provisions of 4.1.1 and 4.1.3 shall be met.

1 Packagings shall be designed and constructed to prevent the loss of water or alcohol content or the content of the phlegmatizer.

2 Packagings shall be so constructed and closed as to avoid an explosive overpressure or pressure build-up of more than 300 kPa (3 bar).

3 The type of packaging and maximum permitted quantity per packaging are limited by the provisions of 2.1.3.4.


Special packing provision PP48:
For UN Nos. 0504, 0508, 0509 and 3474, metal packagings shall not be used. Packagings of other material with a small amount of metal, for example metal closures or other metal fittings such as those mentioned in 6.1.4, are not considered metal packagings.